This talk was originally given to Microsoft's Research Group and other interested parties from within the company at their Redmond offices on June 17, 2004.
Cory's talk is in five parts:
1) That DRM systems don't work
2) That DRM systems are bad for society
3) That DRM systems are bad for business
4) That DRM systems are bad for artists
5) That DRM is a bad business-move for MSFT
A transcript is available at http://en.wikisource.org/wiki/Microsoft_Research_DRM_talk and http://craphound.com/msftdrm.txt
Additional formats are listed at http://craphound.com/msftdrm.txt
Video is also available in Ogg Theora/Vorbis format at http://commons.wikimedia.opg/wiki/File:Cory_Doctorow_on_DRM_at_Microsoft.ogv